The stories behind some of the greatest orchestral works of the 20th century are explored in this new four-part series.
Michael Berkeley reveals the infidelity and scandal lying beneath Claude Debussy's vivid evocation of the sea, La Mer. With contributions from pianist Jean-Yves Thibaudet and the Oscar-winning film composer Anne Dudley, with the voice of Robert Lindsay as Debussy.
Behind the music: page 22